package sustOJ;

/**
 * @author : niu niu
 * @version : 1.0.0
 * @date : 2022/10/15 18:37
 */
public class App {

    static {
        System.out.println("外部类");
    }

    static class Inner {

        static {
            System.out.println("内部类");
        }

        static int num = 100;
    }
}
